lol, just repaired the exact amp a couple months ago. anyways, looks like this one has been repaired before, especially obvious with the one mismatched rail cap (the black one.) the 2 on the other side look to be bad, or going south. is that leakage below them? also, look at the one above r203. i would also check the to-220 drivers between the top outputs in the pic. it looks like one might be touching the screw, or the other could be contacting beyond the pad. all i can see.